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, it indicates that mechanical milling of the powders significantly lowered the ignition temperature of the reaction by refining its Ti-Al composite structure.Key words:TiAl; composite powder; mechanical milling...Structure and morphology of Ti-Al composite powders treated by mechanical alloyingLI Xue-wen, SUN Hong-fei, FANG Wen-bin, DING Yong-feng(School of Materials Science and Engineering, Harbin Institute......
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be prepared by mechanical milling in argon atmosphere and a subsequent vacuum annealing treatment. The grain sizes of both Nd2Fe14B and α-Fe phase decrease drastically with increasing milling time. After... by the subsequent annealing treatment. Milling energy of mechanical milling after 5 h by theoretical calculation is 6 154.25 kJ/g. Key words: mechanical milling; crystallization treatment; Nd2Fe14B/α-Fe......